Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Income Statement [Abstract]
Sales	$ 403,654	$ 381,605	$ 1,225,869	$ 1,171,020
Costs and Expenses
Cost of sales	305,876	293,456	921,907	888,606
Gross margin	97,778	88,149	303,962	282,414
Selling, general and administrative	39,243	35,325	108,032	103,087
Operating income	58,535	52,824	195,930	179,327
Interest expense	(19,223)	(25,855)	(63,906)	(82,331)
Equity in earnings of unconsolidated subsidiaries	7,168	8,742	12,470	11,136
Other (income) expense, net	(763)	(41)	(142)	9
Income from continuing operations before income taxes	45,717	35,670	144,352	108,141
Income tax expense	12,114	8,780	35,728	24,397
Net income (loss)	33,603	26,890	108,624	83,744
Dividends on preferred stock	0	(3,600)	(1,200)	(10,800)
Redemption premium on Series A Preferred Stock	0	0	(75,198)	0
Net income (loss) available to common shareholders	$ 33,603	$ 23,290	$ 32,226	$ 72,944
Basic earnings (loss) per share
Basic earnings per common share (usd per share)	$ 1.12	$ 0.93	$ 1.12	$ 2.91
Diluted Earnings (Loss) Per Share [Abstract]
Diluted earnings per common share (usd per share)	$ 1.12	$ 0.92	$ 1.11	$ 2.86
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average number common shares, basic (shares)	29,879,000	25,077,000	28,819,000	25,024,000
Weighted average number common shares, diluted (shares)	30,118,000	29,330,000	29,076,000	29,278,000
Cash dividends declared per common share (usd per share)	$ 0.17	$ 0.17	$ 0.51	$ 0.51